81057008

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{71353}}^1$

素因数の和:71432

約数の個数: 20

約数和(自身を含む): 159262128

約数和(自身を除く): 78205120

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 71353, 142706, 285412, 570824, 1141648, 5066063, 10132126, 20264252, 40528504, 81057008]

約数ペア:

[(1, 81057008), (2, 40528504), (4, 20264252), (8, 10132126), (16, 5066063), (71, 1141648), (142, 570824), (284, 285412), (568, 142706), (1136, 71353)]